📄 lcd_for_handset.c
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/******************************************************************************
PROJECT
for epson 120*160 colorful lcd
baseed on ti calypso
data: 2002 3/12
version 0.1
********************************************************************************/
#define LCD_Control_ADDR 0x2800000 /*cs4 address*/
#define LCD_DATA_ADDR 0x2000000 /*cs3 address*/
#define LCD_COMMAND_CHANGE 0x03 /*command change*/
#define LCD_DATA_CHANGE 0x07 /*data change*/
#define LCD_RST_CHANGE 0x03 /*lcd reset*/
#define LCD_BACKLIGHT_TURNON 0x03 /*turn on backlight*/
#define LCD_BACKLIGHT_TURNOFF 0x02 /*turn off backlight*/
#define LCD_REFRESH_WIDTH R2D_WIDTH/2-1
#define LCD_REFRESH_HEIGHT R2D_HEIGHT-1
#define LCD_Control_ADDR 0x1800000
#define LCD_DATA_ADDR 0x1800000
#define LCD_REFRESH_WIDTH R2D_WIDTH-1
#define LCD_REFRESH_HEIGHT R2D_HEIGHT-1
#define IO_PIN_SELEC_ADDR 0xfffef00a
#define IO_FUNC_SELEC_ADDR 0xfffe4804
#define IO_OUT_DATA_ADDR 0xfffe4802
#define LT_OUT_COTR_ADDR 0xfffe480e
#define LT_LEVEL_COTR_ADDR 0xfffe4810
void Lcd_Initial_Func(void)
{
Lcd_Reset();
Lcd_BackLight_TurnOn();
Lcd_Send_Command_Func(0xae);
Lcd_Send_Command_Func(0xca);
Lcd_Send_Data_Func(0x0c);
Lcd_Send_Data_Func(0x28);
Lcd_Send_Data_Func(0x0b);
Lcd_Send_Command_Func(0xbb);
Lcd_Send_Data_Func(0x02);
Lcd_Send_Command_Func(0x0d1);
Lcd_Send_Command_Func(0x75);
Lcd_Send_Data_Func(0x00);
Lcd_Send_Data_Func(0x9f);
Lcd_Send_Command_Func(0x15);
Lcd_Send_Data_Func(0x00);
Lcd_Send_Data_Func(0x77);
Lcd_Send_Command_Func(0xbc);
Lcd_Send_Data_Func(0x02);
Lcd_Send_Data_Func(0x01);
Lcd_Send_Data_Func(0x02);
Lcd_Send_Command_Func(0xbe);
Lcd_Send_Command_Func(0xa7);
Lcd_Send_Command_Func(0x94);
Lcd_Send_Command_Func(0x20);
Lcd_Send_Data_Func(0x0f);
Lcd_Send_Command_Func(0x81);
Lcd_Send_Data_Func(0x28);
Lcd_Send_Data_Func(0x03);
Lcd_Send_Command_Func(0xaf);
}
/*********************************************************
送LCD的命令
入口函数:Lcd_Command lcd的命令
*********************************************************/
void Lcd_Send_Command_Func(unsigned char Lcd_Command)
{
*((volatile unsigned char *) LCD_Control_ADDR) = LCD_COMMAND_CHANGE;
*((volatile unsigned char *) LCD_DATA_ADDR) = Lcd_Command;
}
/*********************************************************
送LCD的命令
入口函数:Lcd_Data lcd的命令
*********************************************************/
void Lcd_Send_Data_Func(unsigned char Lcd_Data)
{
*((volatile unsigned char *) LCD_Control_ADDR) = LCD_DATA_CHANGE;
*((volatile unsigned char *) LCD_DATA_ADDR) = Lcd_Data;
}
/*************************************************************
READ LCD DATA 读LCD的数据
出口函数: lcd_buffer_data
*************************************************************/
unsigned char Read_Lcd_Buffer_Data(void)
{
unsigned char Lcd_Buffer_Data;
Lcd_Send_Command_Func(0x5d);
*((volatile unsigned char *) LCD_Control_ADDR) = LCD_DATA_CHANGE;
Lcd_Buffer_Data = *((volatile unsigned char *) LCD_DATA_ADDR);
return(Lcd_Buffer_Data);
}
/***********************************************************
Lcd Reset
************************************************************/
void Lcd_Reset(void)
{
*((volatile unsigned char *) LCD_Control_ADDR) = 0x0;
Lcd_Delay();
Lcd_Delay();
Lcd_Delay();
*((volatile unsigned char *) LCD_Control_ADDR) = LCD_RST_CHANGE;
}
/***************************************************************
lcd back_light turn on
****************************************************************/
void Lcd_BackLight_TurnOn(void)
{
*((volatile unsigned char *) LCD_Control_ADDR) = LCD_BACKLIGHT_TURNON;
}
/********************************************************************
lcd back_light turn off
*********************************************************************/
void Lcd_BackLight_TurnOff(void)
{
*((volatile unsigned char *) LCD_Control_ADDR) = LCD_BACKLIGHT_TURNOFF;
}
/**********************************************************************
设置CS3和CS4的工作方式
**********************************************************************/
void Set_Cs3_Cs4_Mode(void)
{
*(volatile unsigned short *)0xfffffb06 = 0xf9f; // and config. as 8-bit I/O
*(volatile unsigned short*)0xfffffb0a = 0xf9f; // max waitstates and dummy cycles on CS3 and CS4
}
/************************************************************************
clear all screen
*************************************************************************/
void Clear_Screen(void)
{
unsigned char i,j;
Lcd_Send_Command_Func(0x75);
Lcd_Send_Data_Func(0);
Lcd_Send_Data_Func(LCD_REFRESH_HEIGHT);
Lcd_Send_Command_Func(0x25);
Lcd_Send_Command_Func(0x15);
Lcd_Send_Data_Func(0);
Lcd_Send_Data_Func(LCD_REFRESH_WIDTH);
Lcd_Send_Command_Func(0x5c);
for(i=0;i<=LCD_REFRESH_HEIGHT;i++)
{
for(j=0;j<=LCD_REFRESH_WIDTH;j++)
{
Lcd_Send_Data_Func(0Xff);
Lcd_Send_Data_Func(0Xff);
Lcd_Send_Data_Func(0Xff);
}
}
}
/******************************************************************
点亮一个点
lighting a pixel x x position ,y y position, clolor_data show pixel color
*******************************************************************/
void Lighting_One_Pixel(unsigned char x,unsigned char y,unsigned short color_data)
{
unsigned char color_temp;
Lcd_Send_Command_Func(0x75);
Lcd_Send_Data_Func(x);
Lcd_Send_Data_Func(x);
Lcd_Send_Command_Func(0x25);
Lcd_Send_Command_Func(0x15);
Lcd_Send_Data_Func(y);
Lcd_Send_Data_Func(y);
Lcd_Send_Command_Func(0x5c);
color_temp = (color_data&0xff00)>>8;
Lcd_Send_Data_Func(color_temp);
color_temp = (color_data&0xff);
Lcd_Send_Data_Func(color_temp);
Lcd_Send_Command_Func(0x25);
Lcd_Send_Command_Func(0x25);
Lcd_Send_Command_Func(0x25);
}
void Lcd_Send_Two_Pixel(unsigned short First_Data,unsigned short Second_Data)
{
unsigned char Color_Temp_1,Color_Temp_2;
unsigned short Left_Data_Temp,Change_Data;
Left_Data_Temp = (First_Data<<4)&0xfff0;
Change_Data = (Second_Data>>8)&0x000f;
Left_Data_Temp |= Change_Data;
Color_Temp_2 = (Second_Data&0x00ff);
Color_Temp_1 = (Left_Data_Temp>>8)&0x00ff;
Lcd_Send_Data_Func(Color_Temp_1);
Color_Temp_1 = (Left_Data_Temp&0x00ff);
Lcd_Send_Data_Func(Color_Temp_1);
Lcd_Send_Data_Func(Color_Temp_2);
}
/*********************************************************
送LCD的命令
入口函数:Lcd_Command lcd的命令
*********************************************************/
void Lcd_Send_Command_Func(unsigned short Lcd_Command)
{
*(volatile unsigned short *)IO_OUT_DATA_ADDR &=0xfeff;
*(volatile unsigned short *)LCD_Control_ADDR = Lcd_Command;
}
/*********************************************************
送LCD的命令
入口函数:Lcd_Data lcd的命令
*********************************************************/
void Lcd_Send_Data_Func(unsigned short Lcd_Data)
{
*(volatile unsigned short *)IO_OUT_DATA_ADDR |=0x0100;
*(volatile unsigned short *)LCD_DATA_ADDR =Lcd_Data;
}
/***********************************************************
Lcd Reset
************************************************************/
void Lcd_Reset(void)
{
*(volatile unsigned short *)IO_OUT_DATA_ADDR &= 0xff7f;
Lcd_Delay();
*(volatile unsigned short *)IO_OUT_DATA_ADDR |= 0x0080;
}
/***************************************************************
lcd back_light turn on
****************************************************************/
void Lcd_BackLight_TurnOn(void)
{
*(volatile unsigned short *)LT_OUT_COTR_ADDR |= 0x02;
}
/********************************************************************
lcd back_light turn off
*********************************************************************/
void Lcd_BackLight_TurnOff(void)
{
*(volatile unsigned short *)LT_OUT_COTR_ADDR &= 0xfffd;
}
/************************************************************************
clear all screen
*************************************************************************/
void Clear_Screen(void)
{
unsigned char i,j;
Lcd_Send_Command_Func(0x75);
Lcd_Send_Data_Func(0);
Lcd_Send_Data_Func(LCD_REFRESH_HEIGHT);
Lcd_Send_Command_Func(0x25);
Lcd_Send_Command_Func(0x15);
Lcd_Send_Data_Func(0);
Lcd_Send_Data_Func(LCD_REFRESH_WIDTH);
Lcd_Send_Command_Func(0x5c);
for(i=0;i<=LCD_REFRESH_HEIGHT;i++)
{
for(j=0;j<=LCD_REFRESH_WIDTH;j++)
{
Lcd_Send_Data_Func(0xffff);
}
}
}
/******************************************************************
点亮一个点
lighting a pixel x x position ,y y position, clolor_data show pixel color
*******************************************************************/
void Lighting_One_Pixel(unsigned char x,unsigned char y,unsigned short color_data)
{
unsigned char color_temp;
Lcd_Send_Command_Func(0x75);
Lcd_Send_Data_Func(x);
Lcd_Send_Data_Func(x);
Lcd_Send_Command_Func(0x25);
Lcd_Send_Command_Func(0x15);
Lcd_Send_Data_Func(y);
Lcd_Send_Data_Func(y);
Lcd_Send_Command_Func(0x5c);
Lcd_Send_Data_Func(color_data);
Lcd_Send_Command_Func(0x25);
}
/***********************************************************************************
点亮两个相邻的点
入口参数: First_Data ,Second_Data
************************************************************************************/
void Lcd_Send_Two_Pixel(unsigned short First_Data,unsigned short Second_Data)
{
unsigned char Color_Temp_1,Color_Temp_2;
unsigned short Left_Data_Temp,Change_Data;
*(volatile unsigned short *)LCD_DATA_ADDR = First_Data;
*(volatile unsigned short *)LCD_DATA_ADDR = Second_Data;
}
void Lcd_Delay(void)
{
unsigned short i;
for(i;i<500;)
i++;
}
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